EP0885316A4 - Nano-tiges en oxyde metallique - Google Patents

Nano-tiges en oxyde metallique

Info

Publication number
EP0885316A4
EP0885316A4 EP97907700A EP97907700A EP0885316A4 EP 0885316 A4 EP0885316 A4 EP 0885316A4 EP 97907700 A EP97907700 A EP 97907700A EP 97907700 A EP97907700 A EP 97907700A EP 0885316 A4 EP0885316 A4 EP 0885316A4
Authority
EP
European Patent Office
Prior art keywords
nanorod
metal oxide
metal
nanorods
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97907700A
Other languages
German (de)
English (en)
Other versions
EP0885316B1 (fr
EP0885316A1 (fr
Inventor
Charles M Lieber
Peidong Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harvard College
Original Assignee
Harvard College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/606,892 external-priority patent/US5897945A/en
Application filed by Harvard College filed Critical Harvard College
Publication of EP0885316A1 publication Critical patent/EP0885316A1/fr
Publication of EP0885316A4 publication Critical patent/EP0885316A4/fr
Application granted granted Critical
Publication of EP0885316B1 publication Critical patent/EP0885316B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/80—Constructional details
    • H10N60/85—Superconducting active materials
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/605—Products containing multiple oriented crystallites, e.g. columnar crystallites
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/80—Constructional details
    • H10N60/85—Superconducting active materials
    • H10N60/855—Ceramic materials
    • H10N60/857—Ceramic materials comprising copper oxide

Abstract

Cette invention a trait à des nano-tiges en oxyde métallique ainsi qu'à des matériaux composites les contenant. Le diamètre de ces nano-tiges en oxyde métallique est compris entre 1 et 200 nm et leur rapport longueur-diamètre entre 5 et 2000. Le procédé de production de ces nano-tiges consiste à produire de la vapeur métallique à partir d'une source (20) de vapeur métallique dans un four (6), à exposer le substrat de croissance (22) des nano-tiges à la vapeur métallique dans une zone de croissance se situant dans le four (6) et ce, pendant un délai suffisant pour permettre leur croissance à la surface dudit substrat (22), à enlever celui-ci de la zone de croissance une fois le délai susmentionné écoulé et, enfin, à retirer du four (6) les nano-tiges. Ce procédé peut s'appliquer à la fabrication de quantités importantes de nano-tiges en oxyde métallique.
EP97907700A 1996-02-26 1997-02-21 Méthode pour la préparation des nanotiges d'oxydes métalliques, nanotiges des oxydes métalliques et matériaux composites contenant ces nanotiges ainsi obtenus Expired - Lifetime EP0885316B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US606892 1996-02-26
US08/606,892 US5897945A (en) 1996-02-26 1996-02-26 Metal oxide nanorods
US790824 1997-01-22
US08/790,824 US6036774A (en) 1996-02-26 1997-01-22 Method of producing metal oxide nanorods
PCT/US1997/002600 WO1997031139A1 (fr) 1996-02-26 1997-02-21 Nano-tiges en oxyde metallique

Publications (3)

Publication Number Publication Date
EP0885316A1 EP0885316A1 (fr) 1998-12-23
EP0885316A4 true EP0885316A4 (fr) 1999-05-26
EP0885316B1 EP0885316B1 (fr) 2006-11-15

Family

ID=27085358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97907700A Expired - Lifetime EP0885316B1 (fr) 1996-02-26 1997-02-21 Méthode pour la préparation des nanotiges d'oxydes métalliques, nanotiges des oxydes métalliques et matériaux composites contenant ces nanotiges ainsi obtenus

Country Status (5)

Country Link
US (1) US6036774A (fr)
EP (1) EP0885316B1 (fr)
JP (2) JP2002502347A (fr)
AU (1) AU1963397A (fr)
WO (1) WO1997031139A1 (fr)

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